US3150433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stretching machine
Assignee: Individual
•
Filing: 1963-07-01
•
Granted: 1964-09-29
•
Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 Kampf Eberhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:40
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/02; B65H23/022; B65H23/028; B29; B29C; B29C55/00; B29C55/02; B29C55/10; B29C55/12; B29C55/16; B29C55/165; D; D06; D06C; D06C3/00; D06C3/02; D06C3/04; D06C2700/00; D06C2700/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN A WEB STRETCHING MACHINE: MEANS FOR GUIDING A WEB OF MATERIAL TO AND THROUGH A STRETCHING ZONE; SAID STRETCHING ZONE BEING DEFINED BY GUIDE MEANS HAVING RECTILINEAR PORTIONS ARRANGED IN DIVERGING RELATIONSHIP ADJACENT THE OPPOSED SIDE EDGES OF SAID WEB; A PLURALITY OF SEPARATE AND INDEPENDENTLY MOVABLE GRIPPERS MOVABLE ALONG EACH OF SAID GUIDE MEANS AND EACH HAVING MEANS THEREON FOR SECURELY GRIPPING THE EDGE OF SAID WEB; A SCREW ROTATABLY MOUNTED ON SAID MACHINE ADJACENT AND PARALLEL TO EACH OF SAID GUIDE MEANS; MEANS ON EACH OF SAID GRIPPERS REMOVABLY ENGAGING A THREAD OF ITS ASSOCIATED SCREW; AND MEANS FOR ROTATING SAID SCREWS TO TRANSPORT ALL SAID GRIPPERS ALONG THEIR RESPECTIVE GUIDE MEANS IN THE DIRECTION OF THEIR DIVERGENCE WHEREBY TO STRETCH SAID WEB IN A TRANSVERSE DIRECTION AS IT PROGRESSES THROUGH SAID ZONE.
Claim 2
Dependent Claim
136 words
IN A WEB STRETCHING MACHINE: MEANS FOR GUIDING A WEB OF MATERIAL TO AND THROUGH A STRETCHING ZONE; SAID STRETCHING ZONE BEING DEFINED BY GUIDE MEANS HAVING RECTILINEAR PORTIONS ARRANGED IN DIVERGING RELATIONSHIP ADJACENT THE OPPOSED SIDE EDGES OF SAID WEB; A PLURALITY OF SEPARATE AND INDEPENDENTLY MOVABLE GRIPPERS MOVABLE ALONG EACH OF SAID GUIDE MEANS AND EACH HAVING MEANS THEREON FOR SECURELY GRIPPING THE EDGE OF SAID WEB; A SCREW ROTATABLY MOUNTED ON SAID MACHINE ADJACENT AND PARALLEL TO EACH OF SAID GUIDE MEANS; MEANS ON EACH OF SAID GRIPPERS REMOVABLY ENGAGING A THREAD OF ITS ASSOCIATED SCREW; AND MEANS FOR ROTATING SAID SCREWS TO TRANSPORT ALL SAID GRIPPERS ALONG THEIR RESPECTIVE GUIDE MEANS IN THE DIRECTION OF THEIR DIVERGENCE WHEREBY TO STRETCH SAID WEB IN A TRANSVERSE DIRECTION AS IT PROGRESSES THROUGH SAID ZONE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |